update to bootstrap 5.2 and fixes

1 files changed, 179 insertions, 262 deletions

diff --git a/vendor/twbs/bootstrap/js/dist/scrollspy.js b/vendor/twbs/bootstrap/js/dist/scrollspy.js
index 261c2658a..1cb5ee113 100644
--- a/vendor/twbs/bootstrap/js/dist/scrollspy.js
+++ b/vendor/twbs/bootstrap/js/dist/scrollspy.js
@@ -1,215 +1,80 @@
 /*!
-  * Bootstrap scrollspy.js v5.1.3 (https://getbootstrap.com/)
-  * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Bootstrap scrollspy.js v5.2.0 (https://getbootstrap.com/)
+  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./dom/selector-engine.js'), require('./base-component.js')) :
-  typeof define === 'function' && define.amd ? define(['./dom/event-handler', './dom/manipulator', './dom/selector-engine', './base-component'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.ScrollSpy = factory(global.EventHandler, global.Manipulator, global.SelectorEngine, global.Base));
-})(this, (function (EventHandler, Manipulator, SelectorEngine, BaseComponent) { 'use strict';
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./util/index'), require('./dom/event-handler'), require('./dom/selector-engine'), require('./base-component')) :
+  typeof define === 'function' && define.amd ? define(['./util/index', './dom/event-handler', './dom/selector-engine', './base-component'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Scrollspy = factory(global.Index, global.EventHandler, global.SelectorEngine, global.BaseComponent));
+})(this, (function (index, EventHandler, SelectorEngine, BaseComponent) { 'use strict';
 
   const _interopDefaultLegacy = e => e && typeof e === 'object' && 'default' in e ? e : { default: e };
 
   const EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
-  const Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
   const SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
   const BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v5.1.3): util/index.js
+   * Bootstrap (v5.2.0): scrollspy.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
    * --------------------------------------------------------------------------
    */
-
-  const toType = obj => {
-    if (obj === null || obj === undefined) {
-      return `${obj}`;
-    }
-
-    return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
-  };
-
-  const getSelector = element => {
-    let selector = element.getAttribute('data-bs-target');
-
-    if (!selector || selector === '#') {
-      let hrefAttr = element.getAttribute('href'); // The only valid content that could double as a selector are IDs or classes,
-      // so everything starting with `#` or `.`. If a "real" URL is used as the selector,
-      // `document.querySelector` will rightfully complain it is invalid.
-      // See https://github.com/twbs/bootstrap/issues/32273
-
-      if (!hrefAttr || !hrefAttr.includes('#') && !hrefAttr.startsWith('.')) {
-        return null;
-      } // Just in case some CMS puts out a full URL with the anchor appended
-
-
-      if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) {
-        hrefAttr = `#${hrefAttr.split('#')[1]}`;
-      }
-
-      selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
-    }
-
-    return selector;
-  };
-
-  const getSelectorFromElement = element => {
-    const selector = getSelector(element);
-
-    if (selector) {
-      return document.querySelector(selector) ? selector : null;
-    }
-
-    return null;
-  };
-
-  const isElement = obj => {
-    if (!obj || typeof obj !== 'object') {
-      return false;
-    }
-
-    if (typeof obj.jquery !== 'undefined') {
-      obj = obj[0];
-    }
-
-    return typeof obj.nodeType !== 'undefined';
-  };
-
-  const getElement = obj => {
-    if (isElement(obj)) {
-      // it's a jQuery object or a node element
-      return obj.jquery ? obj[0] : obj;
-    }
-
-    if (typeof obj === 'string' && obj.length > 0) {
-      return document.querySelector(obj);
-    }
-
-    return null;
-  };
-
-  const typeCheckConfig = (componentName, config, configTypes) => {
-    Object.keys(configTypes).forEach(property => {
-      const expectedTypes = configTypes[property];
-      const value = config[property];
-      const valueType = value && isElement(value) ? 'element' : toType(value);
-
-      if (!new RegExp(expectedTypes).test(valueType)) {
-        throw new TypeError(`${componentName.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`);
-      }
-    });
-  };
-
-  const getjQuery = () => {
-    const {
-      jQuery
-    } = window;
-
-    if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
-      return jQuery;
-    }
-
-    return null;
-  };
-
-  const DOMContentLoadedCallbacks = [];
-
-  const onDOMContentLoaded = callback => {
-    if (document.readyState === 'loading') {
-      // add listener on the first call when the document is in loading state
-      if (!DOMContentLoadedCallbacks.length) {
-        document.addEventListener('DOMContentLoaded', () => {
-          DOMContentLoadedCallbacks.forEach(callback => callback());
-        });
-      }
-
-      DOMContentLoadedCallbacks.push(callback);
-    } else {
-      callback();
-    }
-  };
-
-  const defineJQueryPlugin = plugin => {
-    onDOMContentLoaded(() => {
-      const $ = getjQuery();
-      /* istanbul ignore if */
-
-      if ($) {
-        const name = plugin.NAME;
-        const JQUERY_NO_CONFLICT = $.fn[name];
-        $.fn[name] = plugin.jQueryInterface;
-        $.fn[name].Constructor = plugin;
-
-        $.fn[name].noConflict = () => {
-          $.fn[name] = JQUERY_NO_CONFLICT;
-          return plugin.jQueryInterface;
-        };
-      }
-    });
-  };
-
   /**
-   * --------------------------------------------------------------------------
-   * Bootstrap (v5.1.3): scrollspy.js
-   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
-   * --------------------------------------------------------------------------
-   */
-  /**
-   * ------------------------------------------------------------------------
    * Constants
-   * ------------------------------------------------------------------------
    */
 
   const NAME = 'scrollspy';
   const DATA_KEY = 'bs.scrollspy';
   const EVENT_KEY = `.${DATA_KEY}`;
   const DATA_API_KEY = '.data-api';
-  const Default = {
-    offset: 10,
-    method: 'auto',
-    target: ''
-  };
-  const DefaultType = {
-    offset: 'number',
-    method: 'string',
-    target: '(string|element)'
-  };
   const EVENT_ACTIVATE = `activate${EVENT_KEY}`;
-  const EVENT_SCROLL = `scroll${EVENT_KEY}`;
+  const EVENT_CLICK = `click${EVENT_KEY}`;
   const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`;
   const CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item';
   const CLASS_NAME_ACTIVE = 'active';
   const SELECTOR_DATA_SPY = '[data-bs-spy="scroll"]';
+  const SELECTOR_TARGET_LINKS = '[href]';
   const SELECTOR_NAV_LIST_GROUP = '.nav, .list-group';
   const SELECTOR_NAV_LINKS = '.nav-link';
   const SELECTOR_NAV_ITEMS = '.nav-item';
   const SELECTOR_LIST_ITEMS = '.list-group-item';
-  const SELECTOR_LINK_ITEMS = `${SELECTOR_NAV_LINKS}, ${SELECTOR_LIST_ITEMS}, .${CLASS_NAME_DROPDOWN_ITEM}`;
+  const SELECTOR_LINK_ITEMS = `${SELECTOR_NAV_LINKS}, ${SELECTOR_NAV_ITEMS} > ${SELECTOR_NAV_LINKS}, ${SELECTOR_LIST_ITEMS}`;
   const SELECTOR_DROPDOWN = '.dropdown';
   const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';
-  const METHOD_OFFSET = 'offset';
-  const METHOD_POSITION = 'position';
+  const Default = {
+    offset: null,
+    // TODO: v6 @deprecated, keep it for backwards compatibility reasons
+    rootMargin: '0px 0px -25%',
+    smoothScroll: false,
+    target: null
+  };
+  const DefaultType = {
+    offset: '(number|null)',
+    // TODO v6 @deprecated, keep it for backwards compatibility reasons
+    rootMargin: 'string',
+    smoothScroll: 'boolean',
+    target: 'element'
+  };
   /**
-   * ------------------------------------------------------------------------
-   * Class Definition
-   * ------------------------------------------------------------------------
+   * Class definition
    */
 
   class ScrollSpy extends BaseComponent__default.default {
     constructor(element, config) {
-      super(element);
-      this._scrollElement = this._element.tagName === 'BODY' ? window : this._element;
-      this._config = this._getConfig(config);
-      this._offsets = [];
-      this._targets = [];
-      this._activeTarget = null;
-      this._scrollHeight = 0;
-      EventHandler__default.default.on(this._scrollElement, EVENT_SCROLL, () => this._process());
-      this.refresh();
+      super(element, config); // this._element is the observablesContainer and config.target the menu links wrapper
 
-      this._process();
+      this._targetLinks = new Map();
+      this._observableSections = new Map();
+      this._rootElement = getComputedStyle(this._element).overflowY === 'visible' ? null : this._element;
+      this._activeTarget = null;
+      this._observer = null;
+      this._previousScrollData = {
+        visibleEntryTop: 0,
+        parentScrollTop: 0
+      };
+      this.refresh(); // initialize
     } // Getters
 
 
@@ -217,135 +82,190 @@
       return Default;
     }
 
+    static get DefaultType() {
+      return DefaultType;
+    }
+
     static get NAME() {
       return NAME;
     } // Public
 
 
     refresh() {
-      const autoMethod = this._scrollElement === this._scrollElement.window ? METHOD_OFFSET : METHOD_POSITION;
-      const offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
-      const offsetBase = offsetMethod === METHOD_POSITION ? this._getScrollTop() : 0;
-      this._offsets = [];
-      this._targets = [];
-      this._scrollHeight = this._getScrollHeight();
-      const targets = SelectorEngine__default.default.find(SELECTOR_LINK_ITEMS, this._config.target);
-      targets.map(element => {
-        const targetSelector = getSelectorFromElement(element);
-        const target = targetSelector ? SelectorEngine__default.default.findOne(targetSelector) : null;
-
-        if (target) {
-          const targetBCR = target.getBoundingClientRect();
-
-          if (targetBCR.width || targetBCR.height) {
-            return [Manipulator__default.default[offsetMethod](target).top + offsetBase, targetSelector];
-          }
-        }
+      this._initializeTargetsAndObservables();
 
-        return null;
-      }).filter(item => item).sort((a, b) => a[0] - b[0]).forEach(item => {
-        this._offsets.push(item[0]);
+      this._maybeEnableSmoothScroll();
 
-        this._targets.push(item[1]);
-      });
+      if (this._observer) {
+        this._observer.disconnect();
+      } else {
+        this._observer = this._getNewObserver();
+      }
+
+      for (const section of this._observableSections.values()) {
+        this._observer.observe(section);
+      }
     }
 
     dispose() {
-      EventHandler__default.default.off(this._scrollElement, EVENT_KEY);
+      this._observer.disconnect();
+
       super.dispose();
     } // Private
 
 
-    _getConfig(config) {
-      config = { ...Default,
-        ...Manipulator__default.default.getDataAttributes(this._element),
-        ...(typeof config === 'object' && config ? config : {})
-      };
-      config.target = getElement(config.target) || document.documentElement;
-      typeCheckConfig(NAME, config, DefaultType);
+    _configAfterMerge(config) {
+      // TODO: on v6 target should be given explicitly & remove the {target: 'ss-target'} case
+      config.target = index.getElement(config.target) || document.body;
       return config;
     }
 
-    _getScrollTop() {
-      return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
-    }
+    _maybeEnableSmoothScroll() {
+      if (!this._config.smoothScroll) {
+        return;
+      } // unregister any previous listeners
 
-    _getScrollHeight() {
-      return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
-    }
 
-    _getOffsetHeight() {
-      return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
+      EventHandler__default.default.off(this._config.target, EVENT_CLICK);
+      EventHandler__default.default.on(this._config.target, EVENT_CLICK, SELECTOR_TARGET_LINKS, event => {
+        const observableSection = this._observableSections.get(event.target.hash);
+
+        if (observableSection) {
+          event.preventDefault();
+          const root = this._rootElement || window;
+          const height = observableSection.offsetTop - this._element.offsetTop;
+
+          if (root.scrollTo) {
+            root.scrollTo({
+              top: height,
+              behavior: 'smooth'
+            });
+            return;
+          } // Chrome 60 doesn't support `scrollTo`
+
+
+          root.scrollTop = height;
+        }
+      });
     }
 
-    _process() {
-      const scrollTop = this._getScrollTop() + this._config.offset;
+    _getNewObserver() {
+      const options = {
+        root: this._rootElement,
+        threshold: [0.1, 0.5, 1],
+        rootMargin: this._getRootMargin()
+      };
+      return new IntersectionObserver(entries => this._observerCallback(entries), options);
+    } // The logic of selection
+
 
-      const scrollHeight = this._getScrollHeight();
+    _observerCallback(entries) {
+      const targetElement = entry => this._targetLinks.get(`#${entry.target.id}`);
 
-      const maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
+      const activate = entry => {
+        this._previousScrollData.visibleEntryTop = entry.target.offsetTop;
 
-      if (this._scrollHeight !== scrollHeight) {
-        this.refresh();
-      }
+        this._process(targetElement(entry));
+      };
+
+      const parentScrollTop = (this._rootElement || document.documentElement).scrollTop;
+      const userScrollsDown = parentScrollTop >= this._previousScrollData.parentScrollTop;
+      this._previousScrollData.parentScrollTop = parentScrollTop;
+
+      for (const entry of entries) {
+        if (!entry.isIntersecting) {
+          this._activeTarget = null;
 
-      if (scrollTop >= maxScroll) {
-        const target = this._targets[this._targets.length - 1];
+          this._clearActiveClass(targetElement(entry));
 
-        if (this._activeTarget !== target) {
-          this._activate(target);
+          continue;
         }
 
-        return;
-      }
+        const entryIsLowerThanPrevious = entry.target.offsetTop >= this._previousScrollData.visibleEntryTop; // if we are scrolling down, pick the bigger offsetTop
 
-      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
-        this._activeTarget = null;
+        if (userScrollsDown && entryIsLowerThanPrevious) {
+          activate(entry); // if parent isn't scrolled, let's keep the first visible item, breaking the iteration
 
-        this._clear();
+          if (!parentScrollTop) {
+            return;
+          }
 
-        return;
-      }
+          continue;
+        } // if we are scrolling up, pick the smallest offsetTop
 
-      for (let i = this._offsets.length; i--;) {
-        const isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);
 
-        if (isActiveTarget) {
-          this._activate(this._targets[i]);
+        if (!userScrollsDown && !entryIsLowerThanPrevious) {
+          activate(entry);
         }
       }
+    } // TODO: v6 Only for backwards compatibility reasons. Use rootMargin only
+
+
+    _getRootMargin() {
+      return this._config.offset ? `${this._config.offset}px 0px -30%` : this._config.rootMargin;
     }
 
-    _activate(target) {
-      this._activeTarget = target;
+    _initializeTargetsAndObservables() {
+      this._targetLinks = new Map();
+      this._observableSections = new Map();
+      const targetLinks = SelectorEngine__default.default.find(SELECTOR_TARGET_LINKS, this._config.target);
 
-      this._clear();
+      for (const anchor of targetLinks) {
+        // ensure that the anchor has an id and is not disabled
+        if (!anchor.hash || index.isDisabled(anchor)) {
+          continue;
+        }
 
-      const queries = SELECTOR_LINK_ITEMS.split(',').map(selector => `${selector}[data-bs-target="${target}"],${selector}[href="${target}"]`);
-      const link = SelectorEngine__default.default.findOne(queries.join(','), this._config.target);
-      link.classList.add(CLASS_NAME_ACTIVE);
+        const observableSection = SelectorEngine__default.default.findOne(anchor.hash, this._element); // ensure that the observableSection exists & is visible
 
-      if (link.classList.contains(CLASS_NAME_DROPDOWN_ITEM)) {
-        SelectorEngine__default.default.findOne(SELECTOR_DROPDOWN_TOGGLE, link.closest(SELECTOR_DROPDOWN)).classList.add(CLASS_NAME_ACTIVE);
-      } else {
-        SelectorEngine__default.default.parents(link, SELECTOR_NAV_LIST_GROUP).forEach(listGroup => {
-          // Set triggered links parents as active
-          // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
-          SelectorEngine__default.default.prev(listGroup, `${SELECTOR_NAV_LINKS}, ${SELECTOR_LIST_ITEMS}`).forEach(item => item.classList.add(CLASS_NAME_ACTIVE)); // Handle special case when .nav-link is inside .nav-item
-
-          SelectorEngine__default.default.prev(listGroup, SELECTOR_NAV_ITEMS).forEach(navItem => {
-            SelectorEngine__default.default.children(navItem, SELECTOR_NAV_LINKS).forEach(item => item.classList.add(CLASS_NAME_ACTIVE));
-          });
-        });
+        if (index.isVisible(observableSection)) {
+          this._targetLinks.set(anchor.hash, anchor);
+
+          this._observableSections.set(anchor.hash, observableSection);
+        }
+      }
+    }
+
+    _process(target) {
+      if (this._activeTarget === target) {
+        return;
       }
 
-      EventHandler__default.default.trigger(this._scrollElement, EVENT_ACTIVATE, {
+      this._clearActiveClass(this._config.target);
+
+      this._activeTarget = target;
+      target.classList.add(CLASS_NAME_ACTIVE);
+
+      this._activateParents(target);
+
+      EventHandler__default.default.trigger(this._element, EVENT_ACTIVATE, {
         relatedTarget: target
       });
     }
 
-    _clear() {
-      SelectorEngine__default.default.find(SELECTOR_LINK_ITEMS, this._config.target).filter(node => node.classList.contains(CLASS_NAME_ACTIVE)).forEach(node => node.classList.remove(CLASS_NAME_ACTIVE));
+    _activateParents(target) {
+      // Activate dropdown parents
+      if (target.classList.contains(CLASS_NAME_DROPDOWN_ITEM)) {
+        SelectorEngine__default.default.findOne(SELECTOR_DROPDOWN_TOGGLE, target.closest(SELECTOR_DROPDOWN)).classList.add(CLASS_NAME_ACTIVE);
+        return;
+      }
+
+      for (const listGroup of SelectorEngine__default.default.parents(target, SELECTOR_NAV_LIST_GROUP)) {
+        // Set triggered links parents as active
+        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+        for (const item of SelectorEngine__default.default.prev(listGroup, SELECTOR_LINK_ITEMS)) {
+          item.classList.add(CLASS_NAME_ACTIVE);
+        }
+      }
+    }
+
+    _clearActiveClass(parent) {
+      parent.classList.remove(CLASS_NAME_ACTIVE);
+      const activeNodes = SelectorEngine__default.default.find(`${SELECTOR_TARGET_LINKS}.${CLASS_NAME_ACTIVE}`, parent);
+
+      for (const node of activeNodes) {
+        node.classList.remove(CLASS_NAME_ACTIVE);
+      }
     } // Static
 
 
@@ -357,7 +277,7 @@
           return;
         }
 
-        if (typeof data[config] === 'undefined') {
+        if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
           throw new TypeError(`No method named "${config}"`);
         }
 
@@ -367,23 +287,20 @@
 
   }
   /**
-   * ------------------------------------------------------------------------
-   * Data Api implementation
-   * ------------------------------------------------------------------------
+   * Data API implementation
    */
 
 
   EventHandler__default.default.on(window, EVENT_LOAD_DATA_API, () => {
-    SelectorEngine__default.default.find(SELECTOR_DATA_SPY).forEach(spy => new ScrollSpy(spy));
+    for (const spy of SelectorEngine__default.default.find(SELECTOR_DATA_SPY)) {
+      ScrollSpy.getOrCreateInstance(spy);
+    }
   });
   /**
-   * ------------------------------------------------------------------------
    * jQuery
-   * ------------------------------------------------------------------------
-   * add .ScrollSpy to jQuery only if jQuery is present
    */
 
-  defineJQueryPlugin(ScrollSpy);
+  index.defineJQueryPlugin(ScrollSpy);
 
   return ScrollSpy;